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Process for manufacture of solar battery module, solar battery cell connection device, and solar battery module

a technology of solar cells and solar cells, applied in the field of solar battery module manufacturing, can solve the problem that cells cannot be used alone, and achieve the effect of preventing the progression of the curing reaction

Inactive Publication Date: 2013-02-28
DEXERIALS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a method and apparatus for interconnecting solar cells using an electrically conductive adhesive film. The method includes a placing step of placing the tab wire on the front surface electrode and reverse surface electrode of a given solar cell via the adhesive film, a thermal pressuring step of pressuring the tab wire using a heating / pressuring unit, and a heat dissipating step of pressuring the tab wire using a heat dissipating unit. This prevents premature curing of the adhesive film in the neighboring solar cell and ensures high connection reliability. The solar cell module produced using this method has also been found to have high adhesion strength.

Problems solved by technology

However, in using solar cells as power supply source, the output per solar cell is on the order of several W, and hence the cells may not be used alone.

Method used

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  • Process for manufacture of solar battery module, solar battery cell connection device, and solar battery module
  • Process for manufacture of solar battery module, solar battery cell connection device, and solar battery module
  • Process for manufacture of solar battery module, solar battery cell connection device, and solar battery module

Examples

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example 1

[0079]Several Examples of the present invention will now be described. In Example 1, at the time of the ultimate pressure bonding of the leading side solar cell 2, the heat from the tab wire 3 temporarily pressure bonded to the next following solar cell 2 was dissipated by the heat dissipating head 23, the head main 23b of which was provided with the heat sink 30. In Example 2, at the time of the ultimate pressure bonding of the leading side solar cell 2, the heat from the tab wire 3 temporarily pressure bonded to the next following solar cell was dissipated by the heat dissipating head 23, the head main 23b of which was provided with the heat sink 30 and the pressuring surface 23a of which was provided with the elastic member 31. In Example 3, at the time of the ultimate pressure bonding of the leading side solar cell 2, the heat was dissipated from the tab wire 3 temporarily pressure bonded to the next following solar cell 2 by the heat dissipating head 23 provided with neither th...

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Abstract

A method for producing a solar cell module is disclosed in which, in a step of bonding a tab wire to a given solar cell via an electrically conductive adhesive film, it is possible to prevent that the connection strength of the electrically conductive adhesive film to another solar cell to be connected to the tab wire is lowered. In the method for producing a solar cell module, a front surface electrode (11) of a given solar cell (2) and a reverse surface electrode (13) of another solar cell (2) are interconnected by a tab wire (3) affixed to the front surface electrode (11) and the reverse surface electrode (13) via thermally curable electrically conductive adhesive films (15). The method includes a placing step of placing the electrically conductive adhesive film (15) and the tab wire (3) on top of the front surface electrode (11) and the reverse surface electrode (13), and a thermal pressuring step of pressuring a first adherent portion (3a) of the tab wire (3) placed on one of the electrodes by a first pressuring head (22) having a heating / pressuring unit. The method also includes a heat dissipating step of pressuring a second adherent portion (3b) of the tab wire (3), placed on the other electrode, by a second pressuring head (23) having a heat dissipating unit.

Description

FIELD OF THE INVENTION[0001]This invention relates to a device for interconnecting a plurality of solar cells by a tab wire, a method for producing a solar cell module using the interconnecting device, and to the solar cell module.[0002]The present application asserts priority rights based on JP Patent Application 2010-199968 filed in Japan on Sep. 7, 2010. The total contents of disclosure of the Patent Application of the senior filing date are to be incorporated by reference into the present Application.BACKGROUND OF THE INVENTION[0003]A solar cell is attracting notice as a new energy source benign to environments because it is able to directly convert the solar energy, which is clean and abundant, into electricity. However, in using solar cells as power supply source, the output per solar cell is on the order of several W, and hence the cells may not be used alone. Instead, a plurality of solar cells is connected in cascade for use as a solar cell module in which the output is rai...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H01L31/05H01L31/18H05K13/06
CPCH01L31/0504H01L31/188Y10T29/53213Y02E10/50H01L31/0512
Inventor FUJII, TAKAHIROSUGA, YASUHIRO
Owner DEXERIALS CORP
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